"A secret symbol left by Caryll, runesmith of Byrgenwerth.
A transcription of "Eye," as spoken by left-behind Great Ones.Allows one to make additional discoveries.
Eyes symbolize the truth Master Willem sought in his research.
Disillusioned by the limits of human intellect, Master Willem looked
to beings from higher planes for guidance, and sought to line his brain with eyes in order to elevate his thoughts."